#! /bin/sh
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#! /bin/sh
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# (C) 1998, 2007 Free Software Foundation
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# (C) 1998, 2007 Free Software Foundation
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# Originally by Alexandre Oliva
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# Originally by Alexandre Oliva
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# This gawk/shell script is free software; you can redistribute it and/or
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# This gawk/shell script is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as published
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# modify it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; either version 3, or (at your option)
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# by the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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# any later version.
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# Given a preprocessed C/C++ code snippet, this script will replace any
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# Given a preprocessed C/C++ code snippet, this script will replace any
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# standard header files with an actual #include <...> directive.
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# standard header files with an actual #include <...> directive.
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# Example:
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# Example:
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# # 1 "test.c"
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# # 1 "test.c"
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# # 1 "/usr/include/stdio.h" 1 3
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# # 1 "/usr/include/stdio.h" 1 3
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#
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#
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# # 1 "test.c" 2
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# # 1 "test.c" 2
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#
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#
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# main() { printf("Hello world!\n"); }
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# main() { printf("Hello world!\n"); }
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# is replaced with
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# is replaced with
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# # 1 "test.c"
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# # 1 "test.c"
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# #include
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# #include
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# main() { printf("Hello world!\n"); }
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# main() { printf("Hello world!\n"); }
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# Header files whose pathnames contain any of the following patterns
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# Header files whose pathnames contain any of the following patterns
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# are considered as standard headers: usr/include, g++-include,
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# are considered as standard headers: usr/include, g++-include,
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# include/g++, include/c++/, gcc-lib//include.
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# include/g++, include/c++/, gcc-lib//include.
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gawk ${EXCLUDEPATT+-vexclude="$EXCLUDEPATT"} \
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gawk ${EXCLUDEPATT+-vexclude="$EXCLUDEPATT"} \
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${INCLUDEPATT+-vinclude="$INCLUDEPATT"} '
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${INCLUDEPATT+-vinclude="$INCLUDEPATT"} '
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BEGIN {
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BEGIN {
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skipping = 0;
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skipping = 0;
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cppline = "^# [0-9]+ \"[^\"]*/(usr/include|g\\+\\+-include|include/g\\+\\+|include/c\\+\\+/[^/]+|gcc-lib/[^\"]+/include|gcc/include)/([^\"]+)\"( [1-4])*$"
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cppline = "^# [0-9]+ \"[^\"]*/(usr/include|g\\+\\+-include|include/g\\+\\+|include/c\\+\\+/[^/]+|gcc-lib/[^\"]+/include|gcc/include)/([^\"]+)\"( [1-4])*$"
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}
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}
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!skipping && $0 ~ cppline &&
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!skipping && $0 ~ cppline &&
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(exclude == "" || $3 !~ exclude) && (include == "" || $3 ~ include) {
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(exclude == "" || $3 !~ exclude) && (include == "" || $3 ~ include) {
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skipping = 1;
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skipping = 1;
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printf "%s\n", "#include <" gensub(cppline, "\\2", "", $0) ">"
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printf "%s\n", "#include <" gensub(cppline, "\\2", "", $0) ">"
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next;
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next;
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}
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}
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skipping && /^# [0-9]+ / && $3 == lastincluded {
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skipping && /^# [0-9]+ / && $3 == lastincluded {
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skipping = 0;
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skipping = 0;
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next;
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next;
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}
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}
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!skipping && /^# [0-9]+ / {
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!skipping && /^# [0-9]+ / {
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lastincluded = $3;
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lastincluded = $3;
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}
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}
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!skipping { print }
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!skipping { print }
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' ${1+"$@"}
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' ${1+"$@"}
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